Magnetic Resonance Tomography Apparatus

A magnetic resonance tomography apparatus comprising:

• a receiving device comprising:
• a plurality of magnetic resonance receive antennas for receiving a magnetic resonance signal in response to a radio frequency signal transmitted at a magnetic resonance frequency;
• a housing, the plurality of magnetic resonance receive antennas being arranged in a cryostat in the housing, wherein the receiving device and an object are positionable relative to each other with a distance between the housing and the object in order to examine the object,
• wherein a respective magnetic resonance receive antenna of the plurality of magnetic resonance receive antennas is connected to a parametric mixer, wherein a receive circuit formed by the respective magnetic resonance receive antenna and the parametric mixer is provided inside the cryostat and is coupled via a contactless communication interface to an evaluation circuit provided outside the cryostat, the evaluation circuit comprising a local oscillator device for generating an auxiliary signal at an auxiliary frequency, the auxiliary signal being transmitted via the contactless communication interface to the receive circuit, wherein the receive circuit is configured such that a mixed signal having a mixed frequency is generated via the parametric mixer from the auxiliary signal and the magnetic resonance signal and transmitted via the contactless communication interface to the evaluation circuit, the evaluation circuit operable to process the mixed signal.